Question

81:32 :: 64 ? Reasoning solve

Answer 1

Answer:

81/32=64/x

81×x=32×64

81x=2048

x=2048/81

x=25.28

Answer 2

❄️ Solution:-

$\large \boxed{ \bf \: 81 : 32 :: 64 : \: ? \: }$

Let "?" (missing number) be x

Writing in the form of fraction:

$\\ \rm \dfrac{81}{32} \: \: \: \: \frac{64}{x}$

By cross-multiplication :

$\\ \bf \large \dfrac{81}{32} \times \dfrac{64}{x} \\ \\ \large{\twoheadrightarrow } \rm \: 81x = 32 \times 64 \\ \\ \large{\twoheadrightarrow } \rm \: 81x = 2,048 \\ \\ \large{\twoheadrightarrow } \rm \: x = \frac{2048}{81} \\ \\ \large{\twoheadrightarrow } \rm \: x = 25.283951 \\ \\ \\ \underline{\boxed{ \tt\therefore \: the \: \:value \: \: of \: \: the \: \: missing \: \: number = 25.283951 }}$